public void Register_New_User()
{
var container = Container.Init_Container();
var service = container.Resolve<RegistrationService>();
var cmd = new Register_New_User { DisplayName ="Valerio", Identity="123", Provider="Google" };
service.Register_New_User(cmd);
}
public void Register_New_User(Register_New_User cmd)
{
var identity_already_exists = DocumentSession.Query<User>().Any(u=> u.Identities.Any(i=> i.Provider == cmd.Provider && i.Id == cmd.Identity));
if(identity_already_exists)
throw new Exception("");
var user = new User { Name = cmd.DisplayName };
user.Identify(cmd.Provider, cmd.Identity, cmd.DisplayName);
DocumentSession.Store(user);
}